Table 2.

Standardized Regression Coefficients and Percentage of Variance Explained from Hierarchical Regressions Predicting PTSD Symptom Severity

	Full sample (n = 1,061)		Early life traumas (n = 169)		Adulthood traumas (n = 892)
Predictors	β	ΔR2	β	ΔR2	β	ΔR2
Step 1		.02***		.02		.02***
Age	.07**		.08		.07**
Gender	−.02		−.03		−.02
Income	−.01		.08		−.02
Step 2		.28***		.31***		.28***
Event centrality	.45***		.40***		.46***
Neuroticism	.15***		.12		.15***
Step 3		.05***		.10***		.04***
Attachment anxiety	.19***		.32***		.16***
Attachment avoidance	.11***		.10		.11***
Total R2		.35a		.43b		.33c

Note. Gender: 0 = male, 1 = female.

^**p ≤ .01,

^***p ≤ .001.

^aF(7, 1060) = 80.47, p < .001.

^bF(7, 168) = 17.44, p < .001.

^cF(7, 891) = 61.89, p < .001.